On Call Computer Solutions is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Electronics
• Professional Services

North American Industry Classification System (NAICS) Categories:

• Radio, Television, And Other Electronics Stores
• All Other Business Support Services > Professional Services

Standard Industry Classification (SIC) Categories:

• Radio, Television, And Consumer Electronics Stores
• Business Consulting Services, Nec > Professional Services